/*
 * Copyright (C) 2008 Matt Falkoski
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.falko.android.raven.settings;

import android.content.Context;
import android.content.res.TypedArray;
import android.preference.Preference;
import android.util.AttributeSet;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.LinearLayout;

import com.falko.android.raven.R;

public class CheckBoxPreference extends Preference implements
		OnCheckedChangeListener {

	private final String TAG = getClass().getName();
	private boolean value_;
	CheckBox box_;

	public CheckBoxPreference(Context context, AttributeSet attrs) {
		super(context, attrs);
	}

	public CheckBoxPreference(Context context, AttributeSet attrs, int defStyle) {
		super(context, attrs, defStyle);
	}

	public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {

		if (!callChangeListener(isChecked)) {
			return;
		}

		value_ = isChecked;
		persistBoolean(value_);
		notifyChanged();
	}

	@Override
	protected View onCreateView(ViewGroup parent) {

		LinearLayout layout = null;

		try {
			LayoutInflater mInflater = (LayoutInflater) getContext()
					.getSystemService(Context.LAYOUT_INFLATER_SERVICE);

			layout = (LinearLayout) mInflater.inflate(
					R.layout.check_box_preference, parent, false);
		} catch (Exception e) {
			Log.e(TAG, "Error creating check box preference", e);
		}

		box_ = (CheckBox) layout.findViewById(R.id.check_box);
		box_.setOnCheckedChangeListener(this);
		box_.setChecked(value_);
		return layout;
	}
	
	@Override
	protected Object onGetDefaultValue(TypedArray ta, int index) {

		return ta.getBoolean(index, false);
	}
	
	@Override
	protected void onSetInitialValue(boolean restoreValue, Object defaultValue) {
		super.onSetInitialValue(restoreValue, defaultValue);

		if (restoreValue) {
			value_ = getPersistedBoolean(value_);
			
		} else {
			boolean temp = Boolean.parseBoolean(defaultValue.toString());
			persistBoolean(temp);
			value_ = temp;
		}
	}

}
